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We examined the effects of ultraviolet (UV) radiation in combination with high levels of infrared (IR) radiation on the spectral transmittance of plastic filters. The biological action spectrum for damage to the human eye and skin changes dramatically in the 300-400 nm wavelength range. Cut-off filters used in this region to shape the spectrum of exposure sources are thus critical to the design of experiments which use broadband light sources. The changes in transmittance of three types of plastic filters were observed over an exposure period of 1000 h. One set of three filters was exposed mainly to UV radiation, while the other set was exposed to UV radiation plus IR radiation. Filters exposed to both UV and IR radiation showed spectral changes in their transmittance, while the filters exposed to UV only showed no measurable changes.
S A Miller, and
R H James, and
S M Sykes, and
J Z Beer
October 1989,
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists),
S A Miller, and
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J Z Beer
May 1995,
Optics letters,
S A Miller, and
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J Z Beer
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Optics letters,
S A Miller, and
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S M Sykes, and
J Z Beer
June 1978,
American journal of ophthalmology,
S A Miller, and
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J Z Beer
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S A Miller, and
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S A Miller, and
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J Z Beer
January 1983,
Photochemistry and photobiology,
S A Miller, and
R H James, and
S M Sykes, and
J Z Beer
June 2011,
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S A Miller, and
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J Z Beer
November 1994,
Nippon Ganka Gakkai zasshi,
S A Miller, and
R H James, and
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J Z Beer
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American journal of optometry and physiological optics,
